1.1.4dev: Fixed merge error in [13772]. Refs #11886.
1.1.4dev: Fixed merge error in [13772]. Refs #11886.

Inheritance from `TracBaseError` should not have been removed.


git-svn-id: 0d96b0c1a6983ccc08b3732614f4d6bfcf9cbb42@13774 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac